Some questions posed include how user data from DoubleClick would be merged into Google’s data, how that data would be used, and if Google planned to continue allowing users to opt out of ad-serving cookies. Google was asked to reply to the committee by June 6. Google responded:

We have had a constructive ongoing dialogue with Rep. Barton’s staff about our privacy practices, and while the integration of DoubleClick into Google is still underway, we will of course respond to his questions.